Home / 102,790,630.60-141,882,833.73-66,121,201.60

Finding the Fourth Proportional to 102,790,630.60, 141,882,833.73 and 66,121,201.60

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Solution

The fourth proportional to 102,790,630.60, 141,882,833.73 and 66,121,201.60 is: 91,267,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,790,630.60 : 141,882,833.73 = 66,121,201.60 : x
  2. Step 2: Convert to fraction form
    102,790,630.60/141,882,833.73 = 66,121,201.60/x
  3. Step 3: Cross multiply
    102,790,630.60x = 141,882,833.73 × 66,121,201.60
  4. Step 4: Simplify right side
    102,790,630.60x = 9,381,463,452,640,610
  5. Step 5: Solve for x
    x = 9,381,463,452,640,610/102,790,630.60
  6. Step 6: Final answer
    x = 91,267,690.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.